*{
    margin: 0;
    padding: 0;
    /* 盒子模型设定 */
    box-sizing: border-box;
}

body{
    background: rgb(245,245,245);
}

.header{
    width: 375px;
    height: 74px;
    background-color: #f2f2f2;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;

}
.headerTop{
    width: 375px;
    height: 44px;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 100;
    background-color: #f2f2f2;
}

.headerTop .logo{
    width: 50px;
    height: 44px;
    background-image: url(../img/milogo.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 25px , auto;
}

.user{
    width: 50px;
    height: 44px;
    background-image: url(../img/miuser.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 20px , auto;
}

.search{
    flex: 1;
    height: 33px;
    border: 1px solid #e5e5e5;
    display: flex;
    background: #fff;
    
}

.search .icon{
    width: 31px;
    height: 31px;
    background-image: url(../img/search.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 20px , auto;
    border-radius: 2px;
}

.search input{
    width: 200px;
    background: transparent;
    border: none;
    outline: none;
    
}

.search input::-webkit-input-placeholder{
    font-size: 16px;
    color: rgba(0,0,0,.3);
}

.header .xhicon{
    width: 20px;
    height: 20px;
    background-image: url(../img/xhicon.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 20px , 20px;
    position: relative;
    z-index: 11;
    transition: 0.4s;
}

.header .headerNav{
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex: 1;
}

.header .headerNav a{
    text-decoration: none;
    color: rgb(116, 116, 116);
    font-size: 13.5px;
    align-self: stretch;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header .headerNav>a.active{
    color: rgb(237, 91, 0);
    border-bottom: 2px solid rgb(237, 91, 0);
}

.xhk{
    /* display: none; */
    width: 100vw;
    /* height: 100vh; */
    background: rgba(0,0,0,.3);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    height: 0vh;
    overflow: hidden;
    /* transition: .3s; */
}

#choose:checked~.xhk{
    height: 100vh;
}

#choose:checked~.xhk .xhkMain{
    height: 130px;
}

#choose:checked~.xhicon{
    transform: rotate(180deg);
}

.xhkMain{
    width: 375px;
    height: 0px;
    background-color: #f2f2f2;
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0;
    top: 44px;
    transition: .3s;
    overflow: hidden;
}

.xhkMain .xhkTop{
    height: 30px;
    width: 375px;
    font-size: 15px;
    display: flex;
    align-items: flex-end;
    padding-left: 13px;
}

.xhkMain .xhkList{
    flex: 1;
    flex-wrap: wrap;
    display: flex;
    /* justify-content: space-evenly;
    align-content: space-evenly; */
    padding-left: 12px;
    margin-top: 14px;
    align-content: space-evenly;
}

.xhkMain .xhkList a{
    color: #3c3c3c;
    font-size: 13px;
    background-color: #ffffff;
    width: 80px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    margin: 0 10.5px 10px 0;
    box-shadow: 0 0 1px rgba(0,0,0,.1);
}

.xhkMain .xhkList a.active{
    border-color: rgb(237, 91, 0);
    background-color: #fde0d5;
    color: #ff6700;
}